20594096649 has 24 divisors (see below), whose sum is σ = 34462318592. Its totient is φ = 11606846400.

The previous prime is 20594096641. The next prime is 20594096657. The reversal of 20594096649 is 94669049502.

It is a happy number.

20594096649 is a `hidden beast` number, since 2 + 0 + 594 + 0 + 9 + 6 + 6 + 49 = 666.

It is an interprime number because it is at equal distance from previous prime (20594096641) and next prime (20594096657).

It is not a de Polignac number, because 20594096649 - 2³ = 20594096641 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20594096595 and 20594096604.

It is not an unprimeable number, because it can be changed into a prime (20594096641) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2234377 + ... + 2243574.

Almost surely, 2^20594096649 is an apocalyptic number.

It is an amenable number.

20594096649 is a deficient number, since it is larger than the sum of its proper divisors (13868221943).

20594096649 is a wasteful number, since it uses less digits than its factorization.

20594096649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4478037 (or 4478034 counting only the distinct ones).

The product of its (nonzero) digits is 4199040, while the sum is 54.

The spelling of 20594096649 in words is "twenty billion, five hundred ninety-four million, ninety-six thousand, six hundred forty-nine".